package com.atguigu.gmallpublisher1.service;

import java.math.BigDecimal;
import java.util.Map;

public interface ProductStatsService {

    //查询GMV总数
    public BigDecimal selectGmv(int date);

    //按照品牌查询GMV
    public Map selectGmvByTm(int date, int limit);

}
